<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Storage单例</title>
  </head>
  <body>
    <!-- <script type="module" src="./storage.js"></script> -->
    <!-- <script type="module">
      import Storage from './storage.js';

      const instance1 = Storage.getInstance();
      const instance2 = Storage.getInstance();

      console.log(instance1 === instance2);
    </script> -->
    <script src="./old_storage.js"></script>
    <script>
      const instance1 = Storage.getInstance();
      const instance2 = Storage.getInstance();

      console.log(instance1 === instance2);
    </script>
  </body>
</html>
